cut sth back
— phrasal verb with cut uk/kʌt/us/kʌt/verb present participle cutting, past tense and past participle cut
(REDUCE)
to reduce something, or to reduce it by a particular amount:
We have had to cut back deliveries.
The government has cut back $150 million of funding.
(CUT PLANT)
to cut off parts of a tree or other plant so that it becomes smaller:
Some shrubs need to be cut back to allow more light to reach them.